2017 Honda Clarity Fuel Cell Recall: Fuel cell control unit (FC-ECU) may misinterpret a small cell voltage…
NHTSA campaign 18V068000 · Hybrid Propulsion System · filed Jan 25, 2018 · verified Jul 30, 2026
The defect
Honda (American Honda Motor Co.) is recalling certain 2017 Clarity Fuel Cell vehicles. The fuel cell control unit (FC-ECU) may misinterpret a small cell voltage drop, causing the vehicle to have reduced, or a complete loss of, power.
The risk
A loss of power can increase the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Honda will notify owners, and dealers will install a software update, free of charge. The recall began February 28, 2018. Owners may contact Honda customer service at 1-888-234-2138. Honda's number for this recall is R0L.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Honda | Clarity Fuel Cell | 2017 |
Related recalls
More Honda Clarity Fuel Cell recalls
Other campaigns involving Honda vehicles
Source: NHTSA recall database, campaign 18V068000 (manufacturer number R0L). Data last verified Jul 30, 2026.